The following is a list of numerous gameplay balancing tweaks that were made after thorough review of statistical data from usage patterns of weapons, equipment, perks and scorestreaks since launch.



Scorestreaks:

UAV: cost increased from 350 to 425.
Lightning Strike: added 750ms delay





Equipment/Grenades:

Bouncing Betty: increased the grace period between trigger and activation by 200ms.
Sensor Grenade: increased the range (now 1000 units), frequency (now 800ms between pings), and amount of time (now 6s) that players appear after explosion.
Concussion Grenade: decreased movement penalty and turn speed penalty when hit.





SMGs:

All: increased hip fire recoil.
All: increased max hip fire spread from 4.75 to 5.
All: reduced bullet penetration.
MSMC: increased recoil slightly.
PDW-57: increased recoil slightly.



Assault Rifles:

All: reduced idle sway for more reliable long-range aiming.
XM8: reduced lethal range of 3-hit kills from 250 to 50 inches.
XM8 + Select Fire: increased recoil.
FAL OSW + Select Fire: increased recoil.
SWAT-556 + Select Fire: increased recoil.
MTAR: Made auto aim values consistent with all other assault rifles.



Sniper Rifles:

All: increased hip fire spread.
All + Laser Sight: increased hip fire spread.
XPR-50: increased recoil slightly.





Shotguns:

R870: reduced one-hit kill range by 45 inches.





Pistols:

B23R: reduced headshot multiplier from 1.4 to 1.
KAP-40: reduced headshot multiplier from 1.4 to 1




17 Nov 2012 – PS3 Game Update (1.03) Notes:



Made performance improvements to matchmaking and lobby timers to start matches faster.
Addressed an issue contributing to the majority of reported freezes. A small number of low frequency cases continue to undergo investigation for the next patch update.
Many backend updates have been made since launch to streamline servers for load balancing. This results in many general improvements to matchmaking, user content servers, leaderboards and online security.
Made infrastructure and performance improvements to Live Streaming.
Made streaming performance improvements to video playback in CODTV.
Addressed an issue where flight range parameters for airborne vehicles could be deleted in the middle of a match due to a network interruption. This fix resolves the following symptoms reported by the community:
Escort drone flying under the map
Inability to call in the Dragonfire
FHJ-18 weapon level is now increased by destroying Scorestreak vehicles and aircraft.
Care Package/AGR canister exploit has been addressed.
Patched a small map exploit in Aftermath.
Addressed a rare situation that would cause the Emblem Editor menu to overlap other menus.
Balance pass on spawn influencers to improve cases causing non-optimal spawning under certain conditions.
Improved performance for emblem uploads to prevent an occasional hang. If there is an error connecting to servers during an upload, you will now be able to re-try your save.
Emblems and Clan tags will now appear correctly on the Assault Shield when stowed on the back.
Addressed all reported UI error code messages.
Elite Clan Friends list no longer actively sorts players when their status is updated. The player list will refresh after closing and re-opening the tab.
Improved a number of emblem icons in the Emblem Editor.
Junkyard IV reward added to Calling Cards.